*/
#include "evoral/MIDIEvent.hpp"
+#include "midi++/channel.h"
#include "midi++/parser.h"
#include "midi++/port.h"
+#include "ardour/async_midi_port.h"
#include "ardour/event_type_map.h"
#include "ardour/midi_port.h"
#include "ardour/midi_scene_change.h"
const Locations::LocationList& locations (_session.locations()->list());
boost::shared_ptr<SceneChange> sc;
+ Glib::Threads::RWLock::WriterLock lm (scene_lock);
+
scenes.clear ();
for (Locations::LocationList::const_iterator l = locations.begin(); l != locations.end(); ++l) {
if ((sc = (*l)->scene_change()) != 0) {
boost::shared_ptr<MIDISceneChange> msc = boost::dynamic_pointer_cast<MIDISceneChange> (sc);
-
+
if (msc) {
- scenes.insert (std::make_pair (msc->time(), msc));
+ scenes.insert (std::make_pair ((*l)->start(), msc));
}
}
}
}
void
-MIDISceneChanger::deliver (MidiBuffer& mbuf, framepos_t when, boost::shared_ptr<MIDISceneChange> msc)
+MIDISceneChanger::rt_deliver (MidiBuffer& mbuf, framepos_t when, boost::shared_ptr<MIDISceneChange> msc)
{
uint8_t buf[4];
size_t cnt;
last_delivered_program = msc->program();
}
}
-
+
+void
+MIDISceneChanger::non_rt_deliver (boost::shared_ptr<MIDISceneChange> msc)
+{
+ uint8_t buf[4];
+ size_t cnt;
+ boost::shared_ptr<AsyncMIDIPort> aport = boost::dynamic_pointer_cast<AsyncMIDIPort>(output_port);
+
+ /* We use zero as the timestamp for these messages because we are in a
+ non-RT/process context. Using zero means "deliver them as early as
+ possible" (practically speaking, in the next process callback).
+ */
+
+ if ((cnt = msc->get_bank_msb_message (buf, sizeof (buf))) > 0) {
+ aport->write (buf, cnt, 0);
+
+ if ((cnt = msc->get_bank_lsb_message (buf, sizeof (buf))) > 0) {
+ aport->write (buf, cnt, 0);
+ }
+
+ last_delivered_bank = msc->bank();
+ }
+
+ if ((cnt = msc->get_program_message (buf, sizeof (buf))) > 0) {
+ aport->write (buf, cnt, 0);
+ last_delivered_program = msc->program();
+ }
+}
void
MIDISceneChanger::run (framepos_t start, framepos_t end)
{
- if (!output_port || recording()) {
+ if (!output_port || recording() || !_session.transport_rolling()) {
+ return;
+ }
+
+ Glib::Threads::RWLock::ReaderLock lm (scene_lock, Glib::Threads::TRY_LOCK);
+
+ if (!lm.locked()) {
return;
}
if (i->first >= end) {
break;
}
+
+ rt_deliver (mbuf, i->first - start, i->second);
- deliver (mbuf, i->first - start, i->second);
-
++i;
}
}
void
MIDISceneChanger::locate (framepos_t pos)
{
- Scenes::const_iterator i = scenes.upper_bound (pos);
+ boost::shared_ptr<MIDISceneChange> msc;
+ framepos_t when;
- if (i == scenes.end()) {
- return;
+ {
+ Glib::Threads::RWLock::ReaderLock lm (scene_lock);
+
+ if (scenes.empty()) {
+ return;
+ }
+
+ Scenes::const_iterator i = scenes.lower_bound (pos);
+
+ if (i != scenes.end()) {
+
+ if (i->first != pos) {
+ /* i points to first scene with position > pos, so back
+ * up, if possible.
+ */
+ if (i != scenes.begin()) {
+ --i;
+ } else {
+ return;
+ }
+ }
+ } else {
+ /* go back to the final scene and use it */
+ --i;
+ }
+
+ when = i->first;
+ msc = i->second;
}
- if (i->second->program() != last_delivered_program || i->second->bank() != last_delivered_bank) {
- // MidiBuffer& mbuf (output_port->get_midi_buffer (end-start));
- // deliver (mbuf, i->first, i->second);
+ if (msc->program() != last_delivered_program || msc->bank() != last_delivered_bank) {
+ non_rt_deliver (msc);
}
}
{
input_port = mp;
- incoming_bank_change_connection.disconnect ();
- incoming_program_change_connection.disconnect ();
+ incoming_connections.drop_connections();
if (input_port) {
* and thus invoke our callbacks as necessary.
*/
- input_port->parser()->bank_change.connect_same_thread (incoming_bank_change_connection, boost::bind (&MIDISceneChanger::bank_change_input, this, _1, _2));
- input_port->parser()->program_change.connect_same_thread (incoming_program_change_connection, boost::bind (&MIDISceneChanger::program_change_input, this, _1, _2));
+ for (int channel = 0; channel < 16; ++channel) {
+ input_port->parser()->channel_bank_change[channel].connect_same_thread (incoming_connections, boost::bind (&MIDISceneChanger::bank_change_input, this, _1, _2, channel));
+ input_port->parser()->channel_program_change[channel].connect_same_thread (incoming_connections, boost::bind (&MIDISceneChanger::program_change_input, this, _1, _2, channel));
+ }
}
}
}
void
-MIDISceneChanger::bank_change_input (MIDI::Parser& parser, unsigned short bank)
+MIDISceneChanger::bank_change_input (MIDI::Parser& parser, unsigned short, int)
{
if (!recording()) {
return;
}
last_bank_message_time = parser.get_timestamp ();
- current_bank = bank;
}
void
-MIDISceneChanger::program_change_input (MIDI::Parser& parser, MIDI::byte program)
+MIDISceneChanger::program_change_input (MIDI::Parser& parser, MIDI::byte program, int channel)
{
framecnt_t time = parser.get_timestamp ();
- frameoffset_t delta = time - last_program_message_time;
last_program_message_time = time;
if (!recording()) {
- jump_to (current_bank, program);
+ jump_to (input_port->channel (channel)->bank(), program);
return;
}
new_mark = true;
}
- uint8_t bank;
- uint8_t channel = (program & 0xf0) >> 8;
-
- /* if we received a bank change message within the last 2 msec, use the
- * current bank value, otherwise lookup the current bank number and use
- * that.
- */
-
- if (time - last_bank_message_time < (2 * _session.frame_rate() / 1000.0)) {
- bank = current_bank;
- } else {
- bank = -1;
- }
+ unsigned short bank = input_port->channel (channel)->bank();
- MIDISceneChange* msc =new MIDISceneChange (loc->start(), channel, bank, program & 0x7f);
+ MIDISceneChange* msc =new MIDISceneChange (channel, bank, program & 0x7f);
loc->set_scene_change (boost::shared_ptr<MIDISceneChange> (msc));